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Homework: Review for Final Exam Score: 0 of 1 pt 3.1.59 35or 60 (25 complete) A

ID: 3186446 • Letter: H

Question

Homework: Review for Final Exam Score: 0 of 1 pt 3.1.59 35or 60 (25 complete) A ball s thrown upward and outward from a height of 8 feot The height of the ball, f(ox), in foet, can be modeled by where x is the balil's horzontal distance, in feet from where it was thrown Use this model to solve parts (a) through (c) a, what ste marmum he ght of the ball and how far from where it was thrown does ths occur? The marin height isMteet which occurs?feet from the port of release Round to the nearest tenth as needed) Enter your answer in the edit selds and then click Check Answer 2er-aning- 6 8 9

Explanation / Answer

f(x) = -0.4x^2 + 2.7 x + 8

maximum height occurs at

x = - 2.7 / 2 (-0.4)

x = 3.375

maximum height is

h = -0.4(3.375) ^2 + 2.7 (3.375) + 8

h = 12.6

the maximum height is 12.6 feet which occurs 3.4 feet from point of release